hexo/node_modules/@babel/generator/lib/node/parentheses.js

306 lines
10 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.ArrowFunctionExpression = ArrowFunctionExpression;
exports.AssignmentExpression = AssignmentExpression;
exports.Binary = Binary;
exports.BinaryExpression = BinaryExpression;
exports.ClassExpression = ClassExpression;
exports.ConditionalExpression = ConditionalExpression;
exports.DoExpression = DoExpression;
exports.FunctionExpression = FunctionExpression;
exports.FunctionTypeAnnotation = FunctionTypeAnnotation;
exports.Identifier = Identifier;
exports.LogicalExpression = LogicalExpression;
exports.NullableTypeAnnotation = NullableTypeAnnotation;
exports.ObjectExpression = ObjectExpression;
exports.OptionalIndexedAccessType = OptionalIndexedAccessType;
exports.OptionalCallExpression = exports.OptionalMemberExpression = OptionalMemberExpression;
exports.SequenceExpression = SequenceExpression;
exports.TSTypeAssertion = exports.TSSatisfiesExpression = exports.TSAsExpression = TSAsExpression;
exports.TSInferType = TSInferType;
exports.TSInstantiationExpression = TSInstantiationExpression;
exports.TSIntersectionType = exports.TSUnionType = TSUnionType;
exports.UnaryLike = UnaryLike;
exports.IntersectionTypeAnnotation = exports.UnionTypeAnnotation = UnionTypeAnnotation;
exports.UpdateExpression = UpdateExpression;
exports.AwaitExpression = exports.YieldExpression = YieldExpression;
var _t = require("@babel/types");
const {
isArrayTypeAnnotation,
isArrowFunctionExpression,
isAssignmentExpression,
isAwaitExpression,
isBinary,
isBinaryExpression,
isUpdateExpression,
isCallExpression,
isClass,
isClassExpression,
isConditional,
isConditionalExpression,
isExportDeclaration,
isExportDefaultDeclaration,
isExpressionStatement,
isFor,
isForInStatement,
isForOfStatement,
isForStatement,
isFunctionExpression,
isIfStatement,
isIndexedAccessType,
isIntersectionTypeAnnotation,
isLogicalExpression,
isMemberExpression,
isNewExpression,
isNullableTypeAnnotation,
isObjectPattern,
isOptionalCallExpression,
isOptionalMemberExpression,
isReturnStatement,
isSequenceExpression,
isSwitchStatement,
isTSArrayType,
isTSAsExpression,
isTSInstantiationExpression,
isTSIntersectionType,
isTSNonNullExpression,
isTSOptionalType,
isTSRestType,
isTSTypeAssertion,
isTSUnionType,
isTaggedTemplateExpression,
isThrowStatement,
isTypeAnnotation,
isUnaryLike,
isUnionTypeAnnotation,
isVariableDeclarator,
isWhileStatement,
isYieldExpression,
isTSSatisfiesExpression
} = _t;
const PRECEDENCE = {
"||": 0,
"??": 0,
"|>": 0,
"&&": 1,
"|": 2,
"^": 3,
"&": 4,
"==": 5,
"===": 5,
"!=": 5,
"!==": 5,
"<": 6,
">": 6,
"<=": 6,
">=": 6,
in: 6,
instanceof: 6,
">>": 7,
"<<": 7,
">>>": 7,
"+": 8,
"-": 8,
"*": 9,
"/": 9,
"%": 9,
"**": 10
};
function isTSTypeExpression(node) {
return isTSAsExpression(node) || isTSSatisfiesExpression(node) || isTSTypeAssertion(node);
}
const isClassExtendsClause = (node, parent) => isClass(parent, {
superClass: node
});
const hasPostfixPart = (node, parent) => (isMemberExpression(parent) || isOptionalMemberExpression(parent)) && parent.object === node || (isCallExpression(parent) || isOptionalCallExpression(parent) || isNewExpression(parent)) && parent.callee === node || isTaggedTemplateExpression(parent) && parent.tag === node || isTSNonNullExpression(parent);
function NullableTypeAnnotation(node, parent) {
return isArrayTypeAnnotation(parent);
}
function FunctionTypeAnnotation(node, parent, printStack) {
if (printStack.length < 3) return;
return isUnionTypeAnnotation(parent) || isIntersectionTypeAnnotation(parent) || isArrayTypeAnnotation(parent) || isTypeAnnotation(parent) && isArrowFunctionExpression(printStack[printStack.length - 3]);
}
function UpdateExpression(node, parent) {
return hasPostfixPart(node, parent) || isClassExtendsClause(node, parent);
}
function ObjectExpression(node, parent, printStack) {
return isFirstInContext(printStack, 1 | 2);
}
function DoExpression(node, parent, printStack) {
return !node.async && isFirstInContext(printStack, 1);
}
function Binary(node, parent) {
if (node.operator === "**" && isBinaryExpression(parent, {
operator: "**"
})) {
return parent.left === node;
}
if (isClassExtendsClause(node, parent)) {
return true;
}
if (hasPostfixPart(node, parent) || isUnaryLike(parent) || isAwaitExpression(parent)) {
return true;
}
if (isBinary(parent)) {
const parentOp = parent.operator;
const parentPos = PRECEDENCE[parentOp];
const nodeOp = node.operator;
const nodePos = PRECEDENCE[nodeOp];
if (parentPos === nodePos && parent.right === node && !isLogicalExpression(parent) || parentPos > nodePos) {
return true;
}
}
}
function UnionTypeAnnotation(node, parent) {
return isArrayTypeAnnotation(parent) || isNullableTypeAnnotation(parent) || isIntersectionTypeAnnotation(parent) || isUnionTypeAnnotation(parent);
}
function OptionalIndexedAccessType(node, parent) {
return isIndexedAccessType(parent, {
objectType: node
});
}
function TSAsExpression() {
return true;
}
function TSUnionType(node, parent) {
return isTSArrayType(parent) || isTSOptionalType(parent) || isTSIntersectionType(parent) || isTSUnionType(parent) || isTSRestType(parent);
}
function TSInferType(node, parent) {
return isTSArrayType(parent) || isTSOptionalType(parent);
}
function TSInstantiationExpression(node, parent) {
return (isCallExpression(parent) || isOptionalCallExpression(parent) || isNewExpression(parent) || isTSInstantiationExpression(parent)) && !!parent.typeParameters;
}
function BinaryExpression(node, parent) {
return node.operator === "in" && (isVariableDeclarator(parent) || isFor(parent));
}
function SequenceExpression(node, parent) {
if (isForStatement(parent) || isThrowStatement(parent) || isReturnStatement(parent) || isIfStatement(parent) && parent.test === node || isWhileStatement(parent) && parent.test === node || isForInStatement(parent) && parent.right === node || isSwitchStatement(parent) && parent.discriminant === node || isExpressionStatement(parent) && parent.expression === node) {
return false;
}
return true;
}
function YieldExpression(node, parent) {
return isBinary(parent) || isUnaryLike(parent) || hasPostfixPart(node, parent) || isAwaitExpression(parent) && isYieldExpression(node) || isConditionalExpression(parent) && node === parent.test || isClassExtendsClause(node, parent);
}
function ClassExpression(node, parent, printStack) {
return isFirstInContext(printStack, 1 | 4);
}
function UnaryLike(node, parent) {
return hasPostfixPart(node, parent) || isBinaryExpression(parent, {
operator: "**",
left: node
}) || isClassExtendsClause(node, parent);
}
function FunctionExpression(node, parent, printStack) {
return isFirstInContext(printStack, 1 | 4);
}
function ArrowFunctionExpression(node, parent) {
return isExportDeclaration(parent) || ConditionalExpression(node, parent);
}
function ConditionalExpression(node, parent) {
if (isUnaryLike(parent) || isBinary(parent) || isConditionalExpression(parent, {
test: node
}) || isAwaitExpression(parent) || isTSTypeExpression(parent)) {
return true;
}
return UnaryLike(node, parent);
}
function OptionalMemberExpression(node, parent) {
return isCallExpression(parent, {
callee: node
}) || isMemberExpression(parent, {
object: node
});
}
function AssignmentExpression(node, parent) {
if (isObjectPattern(node.left)) {
return true;
} else {
return ConditionalExpression(node, parent);
}
}
function LogicalExpression(node, parent) {
if (isTSTypeExpression(parent)) return true;
switch (node.operator) {
case "||":
if (!isLogicalExpression(parent)) return false;
return parent.operator === "??" || parent.operator === "&&";
case "&&":
return isLogicalExpression(parent, {
operator: "??"
});
case "??":
return isLogicalExpression(parent) && parent.operator !== "??";
}
}
function Identifier(node, parent, printStack) {
var _node$extra;
if ((_node$extra = node.extra) != null && _node$extra.parenthesized && isAssignmentExpression(parent, {
left: node
}) && (isFunctionExpression(parent.right) || isClassExpression(parent.right)) && parent.right.id == null) {
return true;
}
if (node.name === "let") {
const isFollowedByBracket = isMemberExpression(parent, {
object: node,
computed: true
}) || isOptionalMemberExpression(parent, {
object: node,
computed: true,
optional: false
});
return isFirstInContext(printStack, isFollowedByBracket ? 1 | 8 | 16 | 32 : 32);
}
return node.name === "async" && isForOfStatement(parent) && node === parent.left;
}
function isFirstInContext(printStack, checkParam) {
const expressionStatement = checkParam & 1;
const arrowBody = checkParam & 2;
const exportDefault = checkParam & 4;
const forHead = checkParam & 8;
const forInHead = checkParam & 16;
const forOfHead = checkParam & 32;
let i = printStack.length - 1;
if (i <= 0) return;
let node = printStack[i];
i--;
let parent = printStack[i];
while (i >= 0) {
if (expressionStatement && isExpressionStatement(parent, {
expression: node
}) || exportDefault && isExportDefaultDeclaration(parent, {
declaration: node
}) || arrowBody && isArrowFunctionExpression(parent, {
body: node
}) || forHead && isForStatement(parent, {
init: node
}) || forInHead && isForInStatement(parent, {
left: node
}) || forOfHead && isForOfStatement(parent, {
left: node
})) {
return true;
}
if (i > 0 && (hasPostfixPart(node, parent) && !isNewExpression(parent) || isSequenceExpression(parent) && parent.expressions[0] === node || isUpdateExpression(parent) && !parent.prefix || isConditional(parent, {
test: node
}) || isBinary(parent, {
left: node
}) || isAssignmentExpression(parent, {
left: node
}))) {
node = parent;
i--;
parent = printStack[i];
} else {
return false;
}
}
return false;
}
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